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Re: optional types

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On 10/29/2014 10:18 AM, Kiuhnm wrote:
> On Wednesday, October 29, 2014 5:57:13 PM UTC+1, Peter Otten wrote:
>> Kiuhnm wrote:
>>
>>> I must say that the lack of static types in Python is a pain in the neck
>>> especially when I'm exploring new libraries. Recently, I learned a new
>>> language called Dart which have optional typing and I had a lot of fun
>>> with it. Basically, you use type annotations as documentation and to give
>>> useful information to the IDE or editor. That makes the IDE look *very*
>>> smart! I'm using PyCharm and more often than not I want to see the list of
>>> methods and attributes of an object, but the editor won't show them to me
>>> because it doesn't know the dynamic type of the variable whose value was
>>> just returned by a function. That's irritating! Am I the only one who'd
>>> like to see optional types introduced in Python?
>>
>> Personally I am skeptical, but there is an effort underway:
>>
>> http://www.mypy-lang.org/
>> https://mail.python.org/pipermail/python-ideas/2014-August/028742.html
>>
>> Nothing that your search engine of choice could not have found you...
>
> In fact, I did find it, but that didn't stop me from asking :)
>
> You can find something similar for almost any dynamic language out there.
> If it isn't an official feature of the language, it's useless, IMHO.
>
> It seems that PyCharm supports some kind of type annotations:
> http://www.jetbrains.com/pycharm/webhelp/using-docstrings-to-specify-types.html
> Unfortunately, again, if almost no one uses them, they're not very useful.

Even if it becomes official, which seems likely, it will still be optional -- hence, only useful if folks actually use 
it.  ;)

--
~Ethan~

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optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 09:17 -0700
  Re: optional types Peter Otten <__peter__@web.de> - 2014-10-29 17:51 +0100
    Re: optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 10:18 -0700
      Re: optional types Chris Angelico <rosuav@gmail.com> - 2014-10-30 04:25 +1100
      Re: optional types Ethan Furman <ethan@stoneleaf.us> - 2014-10-29 10:46 -0700
      Re: optional types Chris Angelico <rosuav@gmail.com> - 2014-10-30 05:03 +1100
        Re: optional types Marko Rauhamaa <marko@pacujo.net> - 2014-10-29 20:18 +0200
          Re: optional types Chris Angelico <rosuav@gmail.com> - 2014-10-30 05:43 +1100
          Re: optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 12:03 -0700
            Re: optional types Marko Rauhamaa <marko@pacujo.net> - 2014-10-29 21:07 +0200
            Re: optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 12:09 -0700
            Re: optional types Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-29 19:22 +0000
              Re: optional types Marko Rauhamaa <marko@pacujo.net> - 2014-10-29 21:44 +0200
                Re: optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 13:43 -0700
              Re: optional types Kiuhnm <gandalf23@mail.com> - 2014-10-29 13:40 -0700
  Re: optional types Nick Cash <nick.cash@npcinternational.com> - 2014-10-29 16:25 +0000

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